Save image to database with ASP.NET MVC

Question

I am trying to save image to database with Create method. but when try this code, I get this error:

The input is not a valid Base-64 string as it cont

Answer 1

private byte[] ImageToBytes(Image img, ImageFormat format)
{            
 MemoryStream mstream = new MemoryStream();
 img.Save(mstream, format);
 mstream.Flush();
 return mstream.ToArray();
}